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-3x+2+4x=21+x-3
We move all terms to the left:
-3x+2+4x-(21+x-3)=0
We add all the numbers together, and all the variables
-3x+4x-(x+18)+2=0
We add all the numbers together, and all the variables
x-(x+18)+2=0
We get rid of parentheses
x-x-18+2=0
We add all the numbers together, and all the variables
-16!=0
There is no solution for this equation
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